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What purpose does a tag serve inside of a tag?
...s them to directly access DOM elements, instead of having to place it in a string or a comment (which I consider particularly bad, as comments are not meant for actual information) and then parse it. It also prevents the execution of scripts and CSS styles until specifically loaded.
I personally fi...
Java naming convention for static final variables [duplicate]
...cted or package visibility, its usage is the same:
public void send(final String message) {
logger.info("Sending the following message: '" + message + "'.");
//Send the message
}
Here, we don't care that logger is a static final member variable. It could simply be a final instance variabl...
Where does the “flatmap that s***” idiomatic expression in Scala come from?
...ads, and it stays the same. Also, note that it doesn't decompose into into String, but into Option[String]. Though, actually, it doesn't decompose at all. One of the reasons some people don't like using containers as examples for monads is that you can take things out of containers, but not all mona...
Windows can't find the file on subprocess.call()
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@nueverest Only when the the command string is constructed from external input
– Jirka
Jul 22 '16 at 16:59
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How do I check if a file exists in Java?
...
Using java.io.File:
File f = new File(filePathString);
if(f.exists() && !f.isDirectory()) {
// do something
}
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How do I read image data from a URL in Python?
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In Python3 the StringIO and cStringIO modules are gone.
In Python3 you should use:
from PIL import Image
import requests
from io import BytesIO
response = requests.get(url)
img = Image.open(BytesIO(response.content))
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Java 7 language features with Android
...re those which do not depend on the library:
Diamond operator (<>)
String switch
Multiple-catch (catch (Exc1 | Exc2 e))
Underscore in number literals (1_234_567)
Binary literals (0b1110111)
And these features cannot be used yet:
The try-with-resources statement — because it requires th...
Using an if statement to check if a div is empty
...k. It checks whether the innerHTML (the contents of #leftmenu) is an empty string (i.e. there's nothing inside of it).
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How to create a Menubar application for Mac
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NSStatusItem is what you are looking for. Also add LSUIElement with string value of 1 to your Info.plist to hide it from Dock.
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Class method decorator with self arguments?
...t reads the attribute off of that. You can pass in the attribute name as a string to the decorator and use getattr if you don't want to hardcode the attribute name:
def check_authorization(attribute):
def _check_authorization(f):
def wrapper(self, *args):
print getattr(self,...